Process for the biological production of 1,3-propanediol with high titer
CA 2733616 C · Owner: Danisco Us Inc. · Inventors: Laffend, Lisa; Whited, Greg; Emptage, Mark
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an improved method for the biological production of 1,3-propanediol from a fermentable carbon source in a single microorganism. In one aspect of the present invention an improved process for the conversion of glucose to 1,3--propanediol is achieved by the use of an E. coli transformed with the Klebsiella pneumoniae dha regulon genes dhaR orfY, dhaT, orfX, orfW, dhaB1, dhaB2, dhaB3 and orfZ, all these genes arranged in the same genetic organization as found in wild type Klebsiella pneumoniae. In another aspect of the present invention an improved process for the production of 1,3--propanediol from glucose using a recombinant E. coli containing genes encoding a …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 18, 2000 and granted September 27, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 18, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.